ES428320A1 - Procedimiento para producir cuerpos espumados longitudinal-mente continuos. - Google Patents

Procedimiento para producir cuerpos espumados longitudinal-mente continuos.

Info

Publication number
ES428320A1
ES428320A1 ES428320A ES428320A ES428320A1 ES 428320 A1 ES428320 A1 ES 428320A1 ES 428320 A ES428320 A ES 428320A ES 428320 A ES428320 A ES 428320A ES 428320 A1 ES428320 A1 ES 428320A1
Authority
ES
Spain
Prior art keywords
foam
bunstock
mix
condition
developing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
ES428320A
Other languages
English (en)
Spanish (es)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pharmacia and Upjohn Co
Original Assignee
Upjohn Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Upjohn Co filed Critical Upjohn Co
Publication of ES428320A1 publication Critical patent/ES428320A1/es
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
    • B29C44/28—Expanding the moulding material on continuous moving surfaces without restricting the upwards growth of the foam
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/84—Conversion of foamed resinous buns into foamed billets having geo metrical crosssections

Landscapes

  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
ES428320A 1973-07-23 1974-07-16 Procedimiento para producir cuerpos espumados longitudinal-mente continuos. Expired ES428320A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US381923A US3887670A (en) 1973-07-23 1973-07-23 Apparatus for and method of producing continuous foamed plastic bunstock

Publications (1)

Publication Number Publication Date
ES428320A1 true ES428320A1 (es) 1976-11-16

Family

ID=23506872

Family Applications (2)

Application Number Title Priority Date Filing Date
ES428320A Expired ES428320A1 (es) 1973-07-23 1974-07-16 Procedimiento para producir cuerpos espumados longitudinal-mente continuos.
ES447835A Expired ES447835A1 (es) 1973-07-23 1976-05-12 Aparato para producir cuerpos espumados longitudinalmente continuos.

Family Applications After (1)

Application Number Title Priority Date Filing Date
ES447835A Expired ES447835A1 (es) 1973-07-23 1976-05-12 Aparato para producir cuerpos espumados longitudinalmente continuos.

Country Status (8)

Country Link
US (1) US3887670A (nl)
JP (1) JPS5743415B2 (nl)
DE (2) DE2434938C3 (nl)
ES (2) ES428320A1 (nl)
FR (1) FR2238573B1 (nl)
GB (1) GB1472916A (nl)
IT (1) IT1016945B (nl)
NL (1) NL168751C (nl)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4060579A (en) * 1972-06-24 1977-11-29 Maschinenfabrik Hennecke Gmbh Method for the continuous forming of foam blocks
US4088722A (en) * 1973-05-29 1978-05-09 Dunlop Limited Method for molding a block of polyurethane foam having a flat upper surface
DE2552361A1 (de) * 1974-12-09 1976-06-10 Semperit Gmbh Vorrichtung zum kontinuierlichen herstellen eines schaumstoffstranges
US4207279A (en) * 1977-05-03 1980-06-10 Reeves Brothers, Inc. Process and apparatus for continuous production of polyurethane foam
US4177028A (en) * 1977-10-04 1979-12-04 Edge Saw Manufacturing Co. Adjustable apparatus for producing a foam material
US4197269A (en) * 1978-09-01 1980-04-08 Reeves Brothers, Inc. Process for production of large dimension polyester-derived polyurethane foam
DE102013015321B4 (de) 2013-09-17 2016-01-21 Hennecke Gmbh Verfahren zum kontinuierlichen Herstellen eines Endlosstranges aus Polyurethan-Reaktivkunststoff
CN114130443B (zh) * 2021-12-07 2022-10-18 鹤壁市疾病预防控制中心 一种移动式理化检验分析试验台
EP4257324A1 (en) * 2022-04-08 2023-10-11 Evonik Operations GmbH System and method for automatically setting parameters for foam production
EP4257323A1 (en) * 2022-04-08 2023-10-11 Evonik Operations GmbH System and method for determining parameters for foam production

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1704836U (de) 1954-08-30 1955-08-18 Belzer Werk Vielfach-werkzeug.
US3476845A (en) * 1963-12-26 1969-11-04 Fred Buff Manufacture of expanded cellular products
DE1704836A1 (de) * 1967-07-18 1971-05-19 Metzeler Ag Verfahren zum kontinuierlichen Herstellen von Schaumstoffbahnen mit rechteckigem Querschnitt
US3560599A (en) * 1968-08-05 1971-02-02 Tenneco Chem Method of regulating the upper surface contour of polyurethane foam
NO131636C (nl) 1970-09-01 1975-07-02 Unifoam Ag

Also Published As

Publication number Publication date
ES447835A1 (es) 1977-07-01
NL168751B (nl) 1981-12-16
NL168751C (nl) 1982-05-17
IT1016945B (it) 1977-06-20
DE2434938C3 (de) 1980-10-02
US3887670A (en) 1975-06-03
JPS5044262A (nl) 1975-04-21
FR2238573B1 (nl) 1977-10-21
DE2434938A1 (de) 1975-02-13
FR2238573A1 (nl) 1975-02-21
DE2462936C2 (de) 1983-05-26
NL7409535A (nl) 1975-01-27
JPS5743415B2 (nl) 1982-09-14
DE2434938B2 (de) 1980-02-07
GB1472916A (en) 1977-05-11

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